APA (7th ed.) Citation

Nicholls, A., & Nicholls, S. H. (1972). Developing a curriculum: A practical guide (New ed.). George Allen & Unwin.

Chicago Style (17th ed.) Citation

Nicholls, Audrey, and Stanley Howard Nicholls. Developing a Curriculum: A Practical Guide. New ed. London: George Allen & Unwin, 1972.

MLA (9th ed.) Citation

Nicholls, Audrey, and Stanley Howard Nicholls. Developing a Curriculum: A Practical Guide. New ed. George Allen & Unwin, 1972.